Question: Tell me the name of a non-metal with the most electronegativity
Paraphrase: Let me know the name of a non-metal with the foremost electronegativity
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q19600 . ?ent wdt:P1108 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Oxygen